Have you sampled them both? Which one do you like?
I just recently sampled them and while I do like both and would be happy with either, I am going to get Assoluta. The day I sampled the Assoluta, I kept wanting to smell my wrist. It is an amazing scent to me and can't wait to wear it this summer.
Since I don't own either (yet) I can't tell you about longevity.
Good luck with your choice.